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Does flexible air duct deteriorate?

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carlosgw

Mechanical
Joined
Oct 3, 2004
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167
Location
US
I mean the inner liner for typical flex duct used for connections to diffusers.
 
depending on quality, it gets brittle sooner or later. they also can get damaged easily.
 
All materials change with age, including polymers/plastics.

Flex duct is fragile.
 
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